This enables other implementations, such as streaming to memory instead of a file. BUG=swiftshader:9 Change-Id: I2a780ee67e9bccd157c120b7a0895d9764117464 Reviewed-on: https://chromium-review.googlesource.com/384911Reviewed-by: Jim Stichnoth <stichnot@chromium.org> Tested-by: Nicolas Capens <nicolascapens@google.com>
